Add RFC 6570 (URI Template) support?

[AstraLuma]

Working with the github API, this is a good to have thing.

[webknjaz]

I'm almost sure that this request is out of the scope of this project.

[asvetlov]

Well, it may be a good addition if somebody volunteers for the work. Let's keep the issue open.

[webknjaz]

FWIW, there's a URI template parsing lib that works with strings: https://github.com/python-hyper/uritemplate.